Goulart, Bernardo H L <br/><br/>
Observational study designs for comparative effectiveness research: an alternative approach to close evidence gaps in head-and-neck cancer.  [electronic resource] 

 -  International journal of radiation oncology, biology, physics  Jan 2014 
 - 106-14 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>1879-355X 
<br/><br/><label>Standard No.: </label>10.1016/j.ijrobp.2013.05.050  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comparative Effectiveness Research<br/>Cost-Benefit Analysis<br/>Head and Neck Neoplasms--epidemiology<br/>Humans<br/>Observational Studies as Topic--methods<br/>Prognosis<br/>Quality Improvement--economics<br/>Randomized Controlled Trials as Topic<br/>Selection Bias